How to remove an OEM partition

Written by j.s. copper
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How to remove an OEM partition
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Oftentimes, Original Equipment Manufacturers (OEMs) will include a system recovery partition on the computer's hard drive. This partition typically includes a digital copy of the Windows installation disc in case of emergencies. If you wish to remove this partition and recover the space, be sure you have your Windows Setup DVD on hand. Removing the partition is requires a bit of command-line work.

Skill level:


  1. 1

    Click the Windows logo in the lower left-hand corner of the Windows desktop to open the Start menu. Open "Run" and type "diskmgmt.msc" to open the Disk Management partitioning program.

  2. 2

    Make note of the disk drive on which the OEM partition is located. Make note of the partition number. The connected drives are listed as "Disk 0," "Disk 1," "Disk 2" and so on.

  3. 3

    Open the Start menu again and select "Run." Type "diskpart" and click "OK."

  4. 4

    Type "list disk" and hit "Enter." Type "select disk #", replacing "#" with the correct disk number, and hit "Enter."

  5. 5

    Type "list partition" and hit "Enter" to display the partitions. Type "select partition #", replacing "#" with the proper partition number. Press "Enter."

  6. 6

    Type "delete partition override" and press "Enter." When the operation completes, the OEM partition has been successfully removed.

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